Acer today unveiled the Liquid Z4, a compact 4-inch smartphone designed for those who enjoy taking photos, browsing the internet and using social media. It has been designed with smooth edges making it easy to grab on the go. The Liquid Z4 features a compact design and at 9.7mm thick it slips easily into a user’s hand or pocket. The front speaker boosted by DTS Sound technology allows for a richer experience. The AcerRAPID design acts as a personal control key bringing even more "one-hand" control to the user allowing them to unlock and/or wake-up the screen, launch the camera, take a picture, launch apps from home screen and pick up phone calls in a very intuitive way. In an elegant, glossy and silky finish design powered by Android 4.2.2, the Liquid Z4 provides users with many features such as a dual-core 1.3 GHz processor, 4 GB of internal user storage, Wi-Fi, integrated GPS, and a 5-megapixel auto-focus camera with LED flash.